KeystoneJS website screenshot

KeystoneJS

KeystoneJS is an open-source headless CMS and GraphQL API platform for Node.js. It auto-generates a powerful GraphQL API and a beautiful management UI from schema definitions, enabling developers to manage content and user data without boilerplate. Built on TypeScript with Prisma for database migrations, it supports PostgreSQL, MySQL, and SQLite and includes access control, session management, hooks, and rich document editing out of the box.

KeystoneJS publishes 1 API on the APIs.io network: GraphQL API. Tagged areas include Headless CMS, GraphQL, Node.js, Content Management, and Open Source.

KeystoneJS’s developer surface includes documentation, engineering blog, pricing, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub
30.5/100 thin ▬ flat Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
1 APIs
Headless CMSGraphQLNode.jsContent ManagementOpen SourceTypeScriptPrisma

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 30.5/100 · thin
Contract Quality 10.8 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 0.7 / 13
Governance 0.0 / 12
Discoverability 6.9 / 10
Agent readiness — 19/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/keystonejs: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

KeystoneJS GraphQL API

Auto-generated GraphQL API served at /api/graphql that provides full CRUD operations for every list in the schema. Includes single-item queries, list queries with filtering and ...

GraphQL 1

GraphQL schemas published by this provider.

KeystoneJS GraphQL API

KeystoneJS auto-generates a fully typed GraphQL API from its schema definition — every list defined in `keystone.ts` produces a standard set of queries and mutations without any...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Keystonejs Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Keystonejs Rate Limits

0 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Keystonejs Finops

FINOPS

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Keystonejs Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg
GitHubOrg

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
aid: keystonejs
name: KeystoneJS
description: KeystoneJS is an open-source headless CMS and GraphQL API platform for Node.js. It auto-generates a powerful
  GraphQL API and a beautiful management UI from schema definitions, enabling developers to manage content and user data without
  boilerplate. Built on TypeScript with Prisma for database migrations, it supports PostgreSQL, MySQL, and SQLite and includes
  access control, session management, hooks, and rich document editing out of the box.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/keystonejs.png
url: https://raw.githubusercontent.com/api-evangelist/keystonejs/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- Headless CMS
- GraphQL
- Node.js
- Content Management
- Open Source
- TypeScript
- Prisma
apis:
- aid: keystonejs:keystonejs-graphql-api
  name: KeystoneJS GraphQL API
  description: Auto-generated GraphQL API served at /api/graphql that provides full CRUD operations for every list in the
    schema. Includes single-item queries, list queries with filtering and pagination, count queries, and create, update, and
    delete mutations in both single and batch variants. Schema is extended with custom queries and mutations via the extendGraphqlSchema
    configuration option.
  humanURL: https://keystonejs.com/docs/graphql/overview
  baseURL: https://your-keystone-app.example.com/api/graphql
  tags:
  - GraphQL
  - CMS
  - CRUD
  - Content API
  properties:
  - type: Documentation
    url: https://keystonejs.com/docs/graphql/overview
  - type: OpenAPI
    url: https://keystonejs.com/docs/graphql/overview
  - url: graphql/keystonejs-graphql.md
    type: GraphQL
common:
- type: DomainSecurity
  url: security/keystonejs-domain-security.yml
- type: Website
  url: https://keystonejs.com
- type: Documentation
  url: https://keystonejs.com/docs
- type: GitHubOrg
  url: https://github.com/keystonejs
- type: Blog
  url: https://keystonejs.com/blog
- type: Pricing
  url: https://www.thinkmill.com.au/services/keystone
- type: X
  url: https://x.com/keystonejs
- type: Plans
  url: plans/keystonejs-plans-pricing.yml
- type: RateLimits
  url: rate-limits/keystonejs-rate-limits.yml
- type: FinOps
  url: finops/keystonejs-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com